Abstract: A solvent-free and anhydrous hardenable composition that contains at least one polymer A. Polymer A being obtainable by reacting a polyether with at least one ethylenically unsaturated silane in the presence of a radical starter, the ethylenically unsaturated silane carrying at least one hydrolyzable group on the silicon atom. The composition provides low viscosity prior to curing along with good elasticity after curing and a broad adhesion spectrum in a solvent-free and water-free hardenable composition. Also methods for producing the composition and use of the composition as an adhesive, sealant, or coating agent.

Abstract: A polycarbonate copolymer includes a repeating unit represented by a formula (1) below and a molar copolymer composition represented by Ar2/(Ar1+Ar2) in a range of 25 mol % to 50 mol %. In the formula (1): Ar1 and Ar2 represent a divalent aromatic group; a chain end is terminated by a monovalent aromatic group or a monovalent fluorine-containing aliphatic group; and n represents an average repeating number of an Ar1 block and is a numeral of 1.0 to 3.0, provided that Ar1 and Ar2 are not the same.

Abstract: A process for producing a soluble silicone product is provided. The process includes the steps of chemically reacting a polydialkoxysiloxane with an aliphatic alcohol with or without a catalyst in a reaction mixture, removing produced alcohol from the mixture; recovering the water soluble portion of produced silicone product, purifying the water soluble portion; and recovering hydrophilic material in the water insoluble portion.

Abstract: The present invention is directed to a synergistic blend of a sunscreen agent, specifically avobenzone and a specific class of ester that results in substantially improved sunscreen effectiveness, improving the performance of the sunscreen formulation as determined by the star system.

Abstract: A filler for optical isomer separation which: allows a polymer compound derivative to be immobilized on the surface of a carrier at a high ratio and is excellent in optical separation ability. The filler is characterized in that the filler is obtained by modifying part of the hydroxy or amino groups of a polymer compound having the hydroxy or amino groups with molecules of a compound represented by the following general formula (I): A-X—Si(Y)nR3-n, and is carried by a carrier through chemical bonding.

Abstract: Urethane and siloxane modified water-reducible alkyd resins ABCDE, comprising moieties derived from polyhydric alcohols A, modified fatty acids B made by grafting olefinically unsaturated carboxylic acids B2 onto fatty acids B1, ungrafted fatty acids C, silanol or alkoxysilyl functional siloxane oligomers or polymers D, and polyfunctional isocyanates E, a process for their production, and a method of use thereof in coating binders.

Abstract: Disclosed is a room temperature curable silicon group-containing polymer composition containing a reactive silicon group-containing polymer (A) having a group represented by the formula (1) at an end of the main chain, which is obtained through a reaction between a polyoxypropylene polyol and a ?-isocyanate propyltrialkoxysilane, a curing catalyst (B), an amino-functional organosiloxane (C), and optionally an inorganic filler (D) which is surface-treated with glycol.

Abstract: Functional polymers having silyl end groups are prepared in a continuous process by polymer analogous reaction of a reactive polymer and inter-reactive silane. The polymer products are surprisingly uniform in properties and exhibit higher physicochemical properties as well.

Abstract: A method of preparing a silicone resin, the method comprising reacting at least one halodisilane and, optionally, at least one halosilane with at least one alcohol in the presence of an organic solvent to produce an alcoholysis product; reacting the alcoholysis product with water to produce a hydrolyzate; and heating the hydrolyzate to produce the resin.

Abstract: Mixtures of silicone resin with an organopolysiloxane copolymer prepared by hydrosilylating a substantially linear polymer containing an isocyanate reactive group with an Si—H containing organopolysiloxane, and reacting this intermediate with a diisocyanate, are useful as long lasting defoamers which are compatible with numerous media.

Abstract: The invention concerns polyamino and/or polyammonium/polysiloxane copolymer compounds with polyalkylene oxide units in comb-shaped arrangement, a method for producing said compounds and their use, in particular for treating textiles and other natural or synthetic textile materials.

Abstract: The invention relates to silane cross-linking curable compositions, comprising a polymer P with at least two terminal groups of the following formulae (I) and (II) -Am-K1—SiXYZ (I), -Am-K2—SiXYZ (II), and/or two polymers P1 and P2, the polymer P1 having terminal groups of the following formula (I) -Am-K1—SiXYZ (I), and the polymer P2 having terminal groups of the following formula (II) -Am-K2—SiXYZ (II). In said formulae, A represents a bivalent binding group K1 and K2 independently of one another represent a bivalent aliphatic hydrocarbon group with a main chain of between 1 and 6 carbon atoms, the hydrocarbon groups K1, K2 being different, X, Y and Z independently of one another represent a hydroxy group of a hydrolysable group and m stands for 0 or 1.

Abstract: A tissue sealant is described that includes the reaction product of (a) a polyol having at least two groups capable of reacting with an alkoxy silane and (b) an alkoxy silane having the formula: (R1R2R3)—Si—CH2—Z where (i) Z is an —OH, —SH, —NCO, or —NHR4 group, where R4 is hydrogen or an alkyl group; and (ii) each R1, R2, and R3, independently, is H, an alkoxy group, an alkyl group, a heteroalkyl group other than an alkoxy group, an aryl group, or a heteroaryl group, with the proviso that at least two of R1, R2, and R3 are alkoxy groups. The tissue sealant is moisture-curable and biodegradable in a physiological environment.

Abstract: The present invention relates to a process for preparing alkoxysilane-functional prepolymers by reacting A) 1.0 equivalent of a polyol component have a number average molecular weight of 3000 g/mol to 20,000 g/mol and containing one or more polyoxyalkylene polyols or polyoxyalkylene polyol prepolymers with B) 1.05 to 1.50 equivalent of an isocyanate- and alkoxysilane-functional compound of formula I) wherein X, Y, and Z independently of one another are linear or branched C1-C8 alkyl or C1-C8 alkoxy radicals, wherein at least one of the radicals is a C1-C8 alkoxy group and R is an organic radical having a functionality of at least two, and subsequently further reacting the remaining free NCO groups by allophanatization or by reaction with C) an isocyanate-reactive component. The present invention also relates to the alkoxysilane-functional prepolymers obtained by the process of the invention.

Abstract: The present invention relates to the production of amphiphilic copolymer networks or co-networks that are both hydrophobic and hydrophilic, the copolymer networks comprise polyalkylene glycol segments and disubstituted polysiloxane segments. Furthermore, the present invention relates to products and/or films made from the amphiphilic copolymer networks or co-networks produced in accordance with the synthesis methods of the present invention. In one embodiment, amphiphilic networks or co-networks are synthesized using functional multiblock co-polymers according to the formula (AY)x(BY)y, where A represents an alkylene glycol polymer having n repeating alkylene glycol units, B represents a disubstituted siloxane polymer having m repeating siloxane units, and Y represents a molecule (e.g., a silane) that functions both as a chain extender and a crosslinker.

Abstract: A composite including interpenetrating networks of an organic polymer, such as from an acrylate or olefin, having urethane groups; and an inorganic polymer, the composite having a low or no-shrinkage characteristic, and a method for making the composite, as defined herein.

Abstract: A mixture of a benzophenone derivative having hydroxyl and alkoxysilyl groups and a benzophenone derivative having silyloxy and alkoxysilyl groups provides a reactive UV absorber which is unlikely to gel, stable during shelf storage, and curable. A coating solution comprising the UV absorber cures at room temperature to form a UV-screening film which has adhesion to glass and plastic substrates, scratch resistance, and bleed resistance, and maintains a UV-screening function over time.

Abstract: Provided is a method for efficiently producing a cationically curable condensed silicon compound. There was an unsolved problem that, in a condensation reaction, an oxetanyl group is subjected to ring-opening under an acidic condition, while gelation is easily caused under an alkaline condition. It was found that a silicon compound (C) having an oxetanyl group can be obtained without causing gelation even at a high concentration by the present method including a first step of separately subjecting a silicon compound (A) having four siloxane bond-forming groups and a silicon compound (B) having an oxetanyl group to alcohol exchange reaction with 1-propanol and a second step of subjecting silicon compounds (AP) and (BP) undergone the first step to hydrolytic copolycondensation under an alkaline condition at a specific ratio.

Abstract: Alkoxysilyl-functional polyether-siloxanes and processes for preparing them by noble metal-catalysed SiC coupling of hydrogensiloxanes having SiH groups with unsaturated polyethers bearing alkoxysilyl groups or by alkoxylation of polyethersiloxanes or polysiloxanes by means of epoxy-functional alkoxysilanes in the presence of double metal cyanide catalysts.

Abstract: A thermoplastic composition includes a poly(arylene ether) and a poly(arylene ether)-polysiloxane block copolymer. The thermoplastic composition is prepared by a method that includes oxidatively copolymerizing a monohydric phenol and a hydroxyaryl-terminated polysiloxane. The method is simpler than prior methods of preparing poly(arylene ether)-polysiloxane block copolymers by linking pre-formed poly(arylene ether) and polysiloxane blocks. The method is also produces greater incorporation of polysiloxane into the poly(arylene ether)-polysiloxane block copolymer than prior methods of copolymerizing monohydric phenols and hydroxyaryl-terminated polysiloxane.

Abstract: A curable resin which exhibits excellent heat resistance while including an extremely smaller amount of volatile component is disclosed, and an electronic component device having excellent reliability in heat resistance and the like which contains the above curable resin is provided. A curable resin obtained in reaction of at least one compound (a) selected from the group consisting of the silane compounds represented by the following Formula (I-1) and the partial condensates thereof with a phenol compound (b), comprising a remaining volatile component in an amount of 10 wt % or less with respect to the total weight of the curable resin is used as a curing agent.

Abstract: The invention relates to a method for production of polyhydroxyfunctional polysiloxanes with branched polyglycidol polyether groups, in which firstly at least one allylic or methallylic starting material is reacted with at least one glycidol, such that an allyl polyether or methallyl polyether is formed, and then the allyl polyether or methallyl polyether thus produced is added to a Si—H functional alkyl polysiloxane in the presence of an acid buffering agent. The invention further relates to polysiloxanes, which may be obtained by said method and the use of the polysiloxanes in coating agents, polymeric coating masses and thermoplastics.

Abstract: An MQ resin including at least 30% SiO2, preferably at least 50 wt % SiO2, and having dynamic viscosity of 50 centipoises (cps) to 750 cps at 25° C. is produced from a stable ethylsilicate polymer. The ethylsilicate polymer includes not greater than 1 wt % of TEOS monomer. The ethylsilicate polymer is produced by a two step addition of catalysts wherein a hydrolysis catalyst, for example, hydrochloric acid is added initially and a second catalyst, such as phosphonitrilic chloride trimer, is added subsequently.

Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.

Abstract: A resist underlayer polymer, a resist underlayer composition including the same, and a method of patterning using the same, the resist underlayer polymer including a repeating unit represented by at least one of Chemical Formula 1 and Chemical Formula 2:

Abstract: To provide an adherence substance which has a low viscosity and good coatability, can be made solvent free, is less likely to undergo an increase in the adhesive strength with time and has good adhesion to an adherend while the adhesive strength is low, is excellent in removability and has a good wettability.

Abstract: Cosmetic or pharmaceutical compositions comprising one or more polysiloxanes functionalized with at least one carbamate group are described. In a preferred embodiment the compositions are emulsions wherein the one or more polysiloxanes may advantageously be used as emulsifier.

Abstract: Thermoplastic polyurethane comprising the reaction product of an isocyanate (a) with a compound (i) having at least one group which is reactive toward isocyanates and also at least two organosilicon groups.

Abstract: A process for producing a low VOC epoxy silane oligomer which includes hydrolyzing an epoxy silane, the epoxy silane upon hydrolysis of its hydrolyzable sites producing a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups, the hydrolyzing of the epoxy silane being carried out with less than 1.5 equivalents of water, said water being continuously fed during the hydrolysis reaction.

Abstract: A composition that includes functionalized polyhedral oligomeric silsesquioxanes derivatives of the formulas TmR3 where m is equal to 8, 10 or 12 and QnMnR1,R2,R3 where n is equal to 8, 10 or 12 are provided. The functional groups include aqueous base soluble moieties. Mixtures of the functionalized polyhedral oligomeric silsesquioxanes derivatives are highly suitable as a topcoat for photoresist in photolithography and immersion photolithography applications.

Abstract: A method is described herein for the preparation of a resin that may be used as a component in formulations of hydrosilation cured vinyl disiloxanes to increase the hydrophilicity and thereby reduce the contact angle. The resin is a vinyl functionalized alkoxy-siloxylated polyether or polyester copolymer and the method involves reacting a hydride functionalized siloxane in the presence of a Lewis acid catalyst with (a) one or more of an alcohol, a polyether diol, a polyether polyol, a polyester diol or polyester polyol and (b) a hydride functionalized siloxane containing a terminal vinyl group directly bonded to a silicon atom. This resin can be used in the formulation of dental impression materials.

Abstract: An asymmetric siloxane is made by reacting a silicone having the formula MHDxM?H where MH is R1R2HSiO1/2, M?H is R4R5HSiO1/2 and x is an integer 0?x?10 under selective hydrosilylation conditions in the presence of a precious metal hydrosilylation catalyst, with a first olefinic compound and in a second step, a monohydridosiloxane produced in the first step is reacted under hydrosilylating conditions with another olefinic compound different from the first olefinic compound.

Abstract: A polycarbonate-polysiloxane copolymer comprising structural units of the formula: wherein each R1, R2, and R3 is independently the same or different monovalent C1-12 should this be C1-C13 like in the document? hydrocarbon group, G comprises a monovalent C6-1000 poly(oxyalkyl) group, each R4 and R5 taken together is independently the same or different divalent C3-30 hydrocarbon linking group wherein R4 is a C1-28 hydrocarbon and R5 is a C2-29 aliphatic group, a is 0 or greater, and b is one or greater; and structural units of the formula: wherein each R is independently the same or different C6-60 divalent hydrocarbon group, and at least 60% of the R groups comprise aromatic moieties.

Abstract: Linear or branched functionalized polycarbosilanes having an absorbance less than 3.0 ?m?1 at 193 nm and a relatively high refractive index are provided. The functionalized polycarbosilanes contain at least one pendant group that is acid labile or aqueous base soluble. Also disclosed are photoresists formulations containing the functionalized polycarbosilanes that are suitable for use in lithography, e.g., immersion lithography.

Abstract: Sulfonate functional siloxane compositions, methods of their preparation, emulsion compositions containing them are disclosed. The compositions are useful in a variety of personal, household, healthcare formulations, as well as fabric and textile treatments.

Abstract: Moisture curable compositions which cure to produce hard coatings contain prepolymers bearing alkoxysilyl groups of the formula —X—CH2—Si(OR)3-xR1x where X is —O— or —O—CO—NR?—. The compositions are storage stable and can be cured without use of tin catalysts.

Abstract: A curable composition comprises a reactive silicon group-containing polyoxyalkylene polymer which is obtained by reacting a polyoxyalkylene polymer (A) having a molecular weight distribution of 1.6 or less, a number average molecular weight of 15,000 to 50,000, and 0.8 or more reactive groups, on average, per molecule thereof with an organic compound (B) having in the molecule thereof a reactive silicon group and a functional group capable of reacting with the reactive groups of the polymer (A) in a proportion of 0.8 to 1.5 molecules of the organic compound (B), on average, per molecule of the component (A), a filler (C) and a curing catalyst (D). The composition contains no plasticizer or a small amount of plasticizer.

Abstract: Moisture-curing compositions include at least one silane-functional polymer P with at least two terminal groups of formula (I), at least one aminosilane AS and at least one (meth)acrylsilane or anhydriodosilane of formula (II). The compositions have improved adhesive properties and are especially suitable for use as adhesives, sealing materials or coatings, especially as elastic adhesive or sealing materials.

Abstract: An improved process for preparing hydrolyzable polymers, the process includes, inter alia, reacting certain silylorganohalide compounds with a salt of a cyanate in the presence of active hydrogen containing polymers.

Abstract: Silyated polyurethanes can be manufactured by (A) converting (i) at least one polyol compound A with a molecular weight of 500-20,000 Dalton, in particular 4000-10,000 Dalton, (ii) with a dihalogenide to a polyol compound B with a molecular weight of 4000-40,000 Dalton, in particular 8000-20,000 Dalton, and subsequent (B) conversion of this polyol B with one or more isocyanatosilanes of formula (1): OCN—R—Si—(R1)m(-OR2)3-m where m is 0.1 or 2, each R2 is an alkyl radical with 1 to 4 carbon atoms, each R1 is an alkyl radical with 1 to 4 carbon atoms and R is a difunctional organic pump. These silylated polyurethanes are suited to use as adhesives, sealant or coating agent in preparations containing one or more such silylated polyurethane.

Abstract: The present invention is directed to a multifunctional organo-silicone compound and the use of that compound in personal care and other applications. These compounds by virtue of their unique structure provide outstanding micro emulsions and provide outstanding skin feel.

Abstract: The present invention is directed to a multifunctional organo-silicone compound and the use of that compound in personal care and other applications. These compounds by virtue of their unique structure provide outstanding micro emulsions and provide outstanding skin feel.

Abstract: The present invention provides curable materials, medical devices incorporating such materials, wherein the curable materials are capable of releasing hydrolyzable leaving agents upon hydrolysis that can form agents (e.g., pharmaceutically active agents), and methods of making and using such materials and devices.

Abstract: A poly(arylene ether) composition includes a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a flame retardant, and a poly(arylene ether)-polysiloxane block copolymer reaction product that itself includes a poly(arylene ether)-polysiloxane block copolymer. The composition is useful for forming extruded articles, including insulation for wire and cable. The poly(arylene ether)-polysiloxane block copolymer contributes improved flame retardancy and, in many cases, improved physical properties to the composition.

Abstract: To provide a material for forming an exposure light-blocking film which includes at least one of a silicon compound expressed by the following structural formula (1) and a silicon compound expressed by the following structural formula (2), wherein at least one of R1 and R2 is replaced by a substituent capable of absorbing exposure light. (where R1 and R2 may be the same or different, and each represents any one of a hydrogen atom, alkyl group, alkenyl group, cycloalkyl group and aryl group which are optionally substituted, and n is an integer of 2 or greater) (where R1, R2 and R3 may be the same or different, at least one of R1, R2 and R3 represents a hydrogen atom and the others represent any one of an alkyl group, alkenyl group, cycloalkyl group and aryl group which are optionally substituted, and n is an integer of 2 or greater).

Abstract: The invention relates to a process for the preparation of branched siloxanes containing R—SiO3/2 units, where R=organic radical, wherein straight-chain polysiloxanes containing silane hydrogen in the polymer chain are reacted in the presence of ammonium or metal carboxylates as a catalyst in the absence of hydroxy-functional organic compounds, and to siloxanes thus prepared and the use thereof in the preparation of polyurethane foams and antifoam formulations.

Abstract: The invention relates to a process for the preparation of SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers having (AB) repeat units, via reaction of one or more polyetherdiols with a stoichiometric excess of ?,?-dihydropolydimethylsiloxanes and at least one tertiary amine as catalyst, which comprises, after completed reaction of the alcohol component, continuing the reaction in the presence of small amounts of water until no remaining ?Si(H) groups are detectable by a gas-volumetric method.

Abstract: The invention provides a process for preparing SiOC-bonded polyorganosiloxanes by reacting, by processes known per se, hydroxyl-containing compounds with a stoichiometric excess of polyorganosiloxanes which contain —Si(H) units and are of the general formula (I) in the presence of one or more element compounds of main group III and/or of transition group 3 as a catalyst, wherein the reaction, on completion of conversion of the compounds containing hydroxyl groups, is continued until no further ?Si—H groups are detectable by gas volumetric means, and also the compounds prepared in this way and their use.

Abstract: The invention relates to a process for the preparation of SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers having (AB) repeat units, via reaction by methods known per se of polyetherdiols with a stoichiometric excess of ?,?-dihydropolydimethylsiloxanes, in the presence of one or more compounds of elements of main group 13 and/or of transition group 3 as catalyst, which comprises, after completed reaction of the alcohol component, continuing the reaction until no remaining ?Si(H) groups are detectable by a gas-volumetric method, and also to the compounds thus prepared, and to their use as surfactant additives for the production of polyurethane ether foams.

Abstract: A method of preparing a silicone resin, the method comprising reacting at least one halodisilane and, optionally, at least one halosilane with at least one alcohol in the presence of an organic solvent to produce an alcoholysis product; reacting the alcoholysis product with water to produce a hydrolyzate; and heating the hydrolyzate to produce the resin.